<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        console.log(productExceptSelf([2, 3, 4, 5]));

        function productExceptSelf(numArray) {
            let tempArray = [];
            numArray.forEach(item1 => {
                let num = 1;
                numArray.forEach(item2 => {
                    if (item1 != item2) {
                        num = num * item2;
                    }
                });
                tempArray.push(num);
            });
            return tempArray;
        }
    </script>
</body>

</html>